Siemens SIMATIC SCALANCE W788C-2 Series Operating Instructions Manual page 39

Note
Terminating resistor
Each WLAN interface has three antenna connectors. Connectors that are not used must
have a terminating resistor fitted, see Accessories.
The antennas R1A1 and R2A1 must be always be connected as soon as the associated
WLAN Interface is turned on. if no antenna is connected, the relevant interface must also be
disabled for RX and TX. Otherwise, there may be transmission disruptions.
You will find information on the configuration of the antennas in the following documents:
• SCALANCE W7x8
SCALANCE W700 configuration manual, section "Configuring antennas"
• SCALANCE W7x8C
SCALANCE WLC711 User Guide, section "Configuring wireless AP radio properties"
①
②
③
④
⑤
⑥
Figure 5-2
SCALANCE W788C-2
Operating Instructions, 07/2019, A5E03692120-14
R1A1
R1A2
R1A3
R2A1
R2A2
R2A3
Antenna connector IP65
Connection
5.4 Antenna connectors
39